xtremerat | 11e7ec53dddc90f8c0e376f707a083a0cb5ea9d6502fe7757dd6fed8e57928c9

General

Target

JaffaCakes118_625fdb234249d2d0648ae103dbf2c6c9.exe
Size

490KB
MD5

625fdb234249d2d0648ae103dbf2c6c9
SHA1

ff8cc3c372f6e4e0afc1731052c83029d6d2fdbc
SHA256

11e7ec53dddc90f8c0e376f707a083a0cb5ea9d6502fe7757dd6fed8e57928c9
SHA512

3ff56af4aed49fb84fbad6d6b4bf5a33e974524510e510a1230669c5403656e36e62c2c692a62498bc880f744b414faa65b74043d28c87aceeef312ae1ac2933
SSDEEP

12288:05ANhhgCHSJqMOaCooTuBTQT6LSCQDMizxYTU1LCZQLS:05+1H3/I9Q/CQwO+TILCmLS

Score

10^/10

xtremerat discovery persistence rat spyware

Malware Config

Extracted

Family

xtremerat

C2

cn-hacker10.zapto.org

Signatures

Detect XtremeRAT payload 3 IoCs

resource	yara_rule
behavioral2/memory/2752-0-0x0000000010000000-0x00000000100B4000-memory.dmp	family_xtremerat
behavioral2/memory/4896-12-0x0000000010000000-0x00000000100B4000-memory.dmp	family_xtremerat
behavioral2/memory/2752-16-0x0000000010000000-0x00000000100B4000-memory.dmp	family_xtremerat

XtremeRAT
The XtremeRAT was developed by xtremecoder and has been available since at least 2010, and written in Delphi.
persistence spyware rat xtremerat
Xtremerat family
xtremerat

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-1121399784-3202166597-3503557106-1000\Control Panel\International\Geo\Nation	JaffaCakes118_625fdb234249d2d0648ae103dbf2c6c9.exe

Executes dropped EXE 1 IoCs

pid	Process
1608	155Faceboax.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\155Faceboax.exe.exe	JaffaCakes118_625fdb234249d2d0648ae103dbf2c6c9.exe
File created	C:\Windows\155Faceboax.exe	JaffaCakes118_625fdb234249d2d0648ae103dbf2c6c9.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Program crash 2 IoCs

pid	pid_target	Process	procid_target
2056	2752	WerFault.exe	84
4508	2752	WerFault.exe	84

System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_625fdb234249d2d0648ae103dbf2c6c9.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	155Faceboax.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 4896 wrote to memory of 2752	4896	JaffaCakes118_625fdb234249d2d0648ae103dbf2c6c9.exe	84
PID 4896 wrote to memory of 2752	4896	JaffaCakes118_625fdb234249d2d0648ae103dbf2c6c9.exe	84
PID 4896 wrote to memory of 2752	4896	JaffaCakes118_625fdb234249d2d0648ae103dbf2c6c9.exe	84
PID 4896 wrote to memory of 2752	4896	JaffaCakes118_625fdb234249d2d0648ae103dbf2c6c9.exe	84
PID 4896 wrote to memory of 4528	4896	JaffaCakes118_625fdb234249d2d0648ae103dbf2c6c9.exe	86
PID 4896 wrote to memory of 4528	4896	JaffaCakes118_625fdb234249d2d0648ae103dbf2c6c9.exe	86
PID 4896 wrote to memory of 4528	4896	JaffaCakes118_625fdb234249d2d0648ae103dbf2c6c9.exe	86
PID 4896 wrote to memory of 1608	4896	JaffaCakes118_625fdb234249d2d0648ae103dbf2c6c9.exe	90
PID 4896 wrote to memory of 1608	4896	JaffaCakes118_625fdb234249d2d0648ae103dbf2c6c9.exe	90
PID 4896 wrote to memory of 1608	4896	JaffaCakes118_625fdb234249d2d0648ae103dbf2c6c9.exe	90

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_625fdb234249d2d0648ae103dbf2c6c9.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_625fdb234249d2d0648ae103dbf2c6c9.exe"
1⤵
- Checks computer location settings
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4896
- C:\Windows\SysWOW64\svchost.exe
  svchost.exe
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2752
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2752 -s 480
    3⤵
    - Program crash
    PID:2056
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2752 -s 488
    3⤵
    - Program crash
    PID:4508
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"
  2⤵
  PID:4528
- C:\Windows\155Faceboax.exe
  "C:\Windows\155Faceboax.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:1608

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 432 -p 2752 -ip 2752
1⤵
PID:4260

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 424 -p 2752 -ip 2752
1⤵
PID:2412

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Windows\155Faceboax.exe

Filesize
423KB

MD5
2785811bf6169f5cd9b56270cf890883

SHA1
18f55fcc967ff934cf138737a752db3df14b4272

SHA256
faf9fd2a6c8c10819397bdaaca93dceced612e95b2cdde3702ba1d93b91e41ea

SHA512
2d2cdf8d6c456ee1d598f7f72b208a06f85f9050344a93820f0104a3e9f981dadc0974ea5734c55f5b136bd3e7e727558f9c9a81513e0c3de636b0fe38749c34

Download Submit
memory/1608-18-0x0000000005900000-0x000000000599C000-memory.dmp

Filesize
624KB

Download
memory/1608-14-0x0000000074B8E000-0x0000000074B8F000-memory.dmp

Filesize
4KB

Download
memory/1608-17-0x0000000000F10000-0x0000000000F82000-memory.dmp

Filesize
456KB

Download
memory/1608-19-0x0000000005F50000-0x00000000064F4000-memory.dmp

Filesize
5.6MB

Download
memory/1608-20-0x0000000005A40000-0x0000000005AD2000-memory.dmp

Filesize
584KB

Download
memory/1608-21-0x0000000005A20000-0x0000000005A2A000-memory.dmp

Filesize
40KB

Download
memory/1608-22-0x0000000005C90000-0x0000000005CE6000-memory.dmp

Filesize
344KB

Download
memory/1608-23-0x0000000074B80000-0x0000000075330000-memory.dmp

Filesize
7.7MB

Download
memory/1608-24-0x0000000074B8E000-0x0000000074B8F000-memory.dmp

Filesize
4KB

Download
memory/1608-25-0x0000000074B80000-0x0000000075330000-memory.dmp

Filesize
7.7MB

Download
memory/2752-16-0x0000000010000000-0x00000000100B4000-memory.dmp

Filesize
720KB

Download
memory/2752-0-0x0000000010000000-0x00000000100B4000-memory.dmp

Filesize
720KB

Download
memory/4896-12-0x0000000010000000-0x00000000100B4000-memory.dmp

Filesize
720KB

Download

Analysis

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